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Class 4 GK Worksheet: Inventions and Inventors

GK lesson 21: Inventions and inventors · Set 48 · 40 questions
TalentJR

Remember (Who and what for?): Telephone – Alexander Graham Bell, first aeroplane – the Wright brothers, printing press – Johannes Gutenberg, raised-dot writing – Louis Braille. Smallpox vaccine – Edward Jenner, penicillin – Alexander Fleming, stethoscope – René Laennec, electric battery – Alessandro Volta, X-rays – Wilhelm Röntgen. Uses: telephone – talk far away, thermometer – body temperature, compass – directions, telescope – faraway stars, microscope – tiny germs.

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  1. 1.💡 Who gave us penicillin? (a) Louis Braille (b) Edward Jenner (c) Alexander Fleming (d) René Laennec
  2. 2.True or false: a calculator helps us do sums quickly. (a) True (b) False
  3. 3.True or false: René Laennec gave us penicillin. (a) False (b) True
  4. 4.True or false: a stethoscope helps us hear the heartbeat. (a) False (b) True
  5. 5.What does a thermometer help us do? (a) print many books (b) find directions (c) measure body temperature (d) do sums quickly
  6. 6.What did the Wright brothers give us? (a) the first aeroplane (b) the smallpox vaccine (c) raised-dot writing (d) the printing press
  7. 7.What does a telescope help us do? (a) see faraway stars (b) talk to people far away (c) do sums quickly (d) tell the time
  8. 8.💡 Who gave us the first aeroplane? (a) René Laennec (b) Louis Braille (c) Wilhelm Röntgen (d) the Wright brothers
  9. 9.True or false: Alexander Fleming gave us penicillin. (a) False (b) True
  10. 10.True or false: a stethoscope helps us find directions. (a) False (b) True
  11. 11.🔧 Which invention helps us do sums quickly? (a) thermometer (b) telescope (c) printing press (d) calculator
  12. 12.What does a calculator help us do? (a) hear the heartbeat (b) measure body temperature (c) see tiny germs (d) do sums quickly
  13. 13.True or false: a clock helps us find directions. (a) False (b) True
  14. 14.True or false: the Wright brothers gave us the first aeroplane. (a) True (b) False
  15. 15.True or false: Alexander Graham Bell gave us penicillin. (a) True (b) False
  16. 16.What does a stethoscope help us do? (a) print many books (b) hear the heartbeat (c) do sums quickly (d) see faraway stars
  17. 17.🔧 Which invention helps us find directions? (a) microscope (b) telephone (c) clock (d) compass
  18. 18.True or false: a clock helps us tell the time. (a) False (b) True
  19. 19.True or false: a thermometer helps us hear the heartbeat. (a) False (b) True
  20. 20.💡 Who gave us the stethoscope? (a) Louis Braille (b) the Wright brothers (c) Edward Jenner (d) René Laennec
  21. 21.What did Wilhelm Röntgen give us? (a) X-rays (b) the stethoscope (c) the printing press (d) raised-dot writing
  22. 22.What does a telephone help us do? (a) tell the time (b) hear the heartbeat (c) talk to people far away (d) see faraway stars
  23. 23.What does a printing press help us do? (a) tell the time (b) print many books (c) talk to people far away (d) see tiny germs
  24. 24.True or false: Alexander Graham Bell gave us X-rays. (a) False (b) True
  25. 25.True or false: Edward Jenner gave us the stethoscope. (a) False (b) True
  26. 26.💡 Who gave us X-rays? (a) Louis Braille (b) Edward Jenner (c) Alessandro Volta (d) Wilhelm Röntgen
  27. 27.🔧 Which invention helps us measure body temperature? (a) printing press (b) microscope (c) clock (d) thermometer
  28. 28.What did René Laennec give us? (a) the stethoscope (b) the smallpox vaccine (c) the electric battery (d) penicillin
  29. 29.💡 Who gave us the telephone? (a) Alexander Graham Bell (b) Edward Jenner (c) Alessandro Volta (d) Louis Braille
  30. 30.True or false: Alexander Graham Bell gave us the telephone. (a) False (b) True
  31. 31.True or false: a stethoscope helps us tell the time. (a) False (b) True
  32. 32.🔧 Which invention helps us print many books? (a) calculator (b) stethoscope (c) printing press (d) clock
  33. 33.💡 Who gave us the electric battery? (a) Edward Jenner (b) Alexander Fleming (c) Alessandro Volta (d) the Wright brothers
  34. 34.💡 Who gave us raised-dot writing? (a) Edward Jenner (b) Louis Braille (c) Wilhelm Röntgen (d) Alexander Graham Bell
  35. 35.What does a compass help us do? (a) measure body temperature (b) find directions (c) see faraway stars (d) do sums quickly
  36. 36.True or false: a calculator helps us measure body temperature. (a) True (b) False
  37. 37.True or false: a microscope helps us see tiny germs. (a) True (b) False
  38. 38.💡 Who gave us the smallpox vaccine? (a) Alexander Fleming (b) Edward Jenner (c) René Laennec (d) Alexander Graham Bell
  39. 39.True or false: René Laennec gave us the telephone. (a) False (b) True
  40. 40.🔧 Which invention helps us tell the time? (a) calculator (b) compass (c) clock (d) telephone

Answer key

  1. Alexander Fleming
  2. True
  3. False
  4. True
  5. measure body temperature
  6. the first aeroplane
  7. see faraway stars
  8. the Wright brothers
  9. True
  10. False
  11. calculator
  12. do sums quickly
  13. False
  14. True
  15. False
  16. hear the heartbeat
  17. compass
  18. True
  19. False
  20. René Laennec
  21. X-rays
  22. talk to people far away
  23. print many books
  24. False
  25. False
  26. Wilhelm Röntgen
  27. thermometer
  28. the stethoscope
  29. Alexander Graham Bell
  30. True
  31. False
  32. printing press
  33. Alessandro Volta
  34. Louis Braille
  35. find directions
  36. False
  37. True
  38. Edward Jenner
  39. False
  40. clock

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